JP2017077381A - Insole for improving force/power exerted by lower extremity - Google Patents
Insole for improving force/power exerted by lower extremity Download PDFInfo
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Abstract
Description
本発明は、スポーツや運動時に下肢が発揮する力・パワーを簡易に向上させることが可能なインソールに関するものである。 The present invention relates to an insole that can easily improve the power and power exerted by a lower limb during sports and exercise.
シューズに挿入されるインソール(中敷き)は、歩行時や運動時における足のフィット性やサポート性、クッション性等を高めて、足への疲労軽減や運動能力の向上等を目的として用いられる。 An insole (insole) inserted into a shoe is used for the purpose of reducing foot fatigue, improving exercise ability, etc. by improving the fit, support and cushioning of the foot during walking and exercise.
例えば、中敷きの接触面において、中央凸部とその両側の凹部を備え、靴を履いた足や身体の負担を軽減するようにした中敷(特許文献1)や、上面に上張りを設けたクッション性の中敷本体の下面に硬質プレートを有して、着地安定性や衝撃吸収性を向上させるようにした中敷(特許文献2)、少なくとも踵部領域において、上下部シート部材の間に波形シート部材を設けて、クッション性や軽量化を図るようにしたインソール(特許文献3)がそれぞれ提案されている。 For example, on the contact surface of the insole, the insole (Patent Document 1) provided with a central convex part and concave parts on both sides of the insole so as to reduce the load on the foot and the body wearing shoes, and an upper surface provided on the upper surface Insole (Patent Document 2) having a hard plate on the lower surface of the cushioning insole body to improve landing stability and shock absorption, at least between the upper and lower sheet members in the buttocks region Insoles (Patent Document 3) are proposed in which corrugated sheet members are provided to reduce cushioning and weight.
ところで、本発明者は自転車ペダリング運動の足関節に関する研究を長年行ってきた。自転車ペダリング運動で使われる下肢三関節(股・膝・足)内の足関節に関する先行研究(体力科学(2004)53,221〜234,「ペダリング動作時の足関節底屈・背屈運動の違いが下肢の関節ダイナミクスおよびクランクトルクに及ぼす影響」赤羽秀徳他、1999年「今中大介のロードバイクテクニック&トレーニングマニュアル」28〜29、等)によると、足関節の運動は股関節、膝関節の運動に多くの影響を与え、足関節を固定してペダリングすると股関節運動の角速度や仕事率が増加すること、一定の仕事率(160W〜250W前後)では足関節を(底屈位と背屈位の)中間位に保ちあまり動かさないことが重要であること、一流と言われる自転車競技選手は効率的なペダリングのために足関節をほぼ中間位に固定し大きな底屈背屈を起こさないようにしていること等が知られている。ここで、足関節の運動において、底屈とは足首から先を下に向けて真っ直ぐにする動きを、背屈とはその反対の動きを指す。 By the way, the present inventor has conducted research on the ankle joint of bicycle pedaling exercise for many years. Previous research on ankle joints in the three lower limb joints (hip, knee, foot) used in bicycle pedaling exercises (Physical Strength Science (2004) 53, 221-234, “Difference between ankle plantar flexion and dorsiflexion during pedaling movements) Effects of lower limbs on joint dynamics and crank torque ”Hidenori Akabane et al., 1999“ Daisuke Imanaka's Road Bike Technique & Training Manual ”28-29, etc.) When the ankle is fixed and pedaled, the angular velocity and work rate of the hip joint movement increase, and at a constant work rate (around 160 W to 250 W), the ankle joint (bottom flexion and dorsiflexion positions) ) It is important to keep it in the middle position and do not move too much. Bicycle athletes, which are said to be first-class, fix their ankle joints in the middle position for efficient pedaling. Kina it like that is known so as not to cause the bottom 屈背 flexion. Here, in the movement of the ankle joint, the plantar flexion refers to a movement that straightens the front from the ankle and the dorsiflexion refers to the opposite movement.
上記先行研究の知見をもとに、本発明者は、自転車ペダリング運動の足関節に関する研究をさらに追及した結果、足関節の動きを狭い範囲に固定して、膝関節や股関節の力の発揮を容易にし、下肢の大きな力・パワーを発揮できる簡易な方法を見出し、本発明を完成させるに至った。 Based on the knowledge of the above-mentioned previous research, the present inventor further pursued research on the ankle joint of bicycle pedaling exercise, and as a result, the movement of the ankle joint was fixed in a narrow range and the force of the knee joint and the hip joint was exhibited. The present inventors have found a simple method that can facilitate and exert great power and power of the lower limbs, and have completed the present invention.
本発明は、スポーツや歩行、運動中に下肢が発揮する力・パワーを簡易に向上させることが可能なインソールを提供することを目的とする。 An object of the present invention is to provide an insole that can easily improve the power and power exerted by the lower limbs during sports, walking, and exercise.
前記課題を解決するために、本発明に係るインソールは、シューズの中に装着されると共に所定の厚みを備えるインソールであって、インソール本体の足趾部領域のうち、第1趾の末節骨領域から第2趾ないし第5趾の各中節骨領域を含む前端部を切除してなることを特徴とする。 In order to solve the above-mentioned problem, an insole according to the present invention is an insole that is worn in a shoe and has a predetermined thickness, and is a distal phalanx region of a first heel in a toe region of the insole body. The front end portion including the middle phalanx regions of the second to fifth toes is excised.
シューズ着用者は、スポーツや歩行、運動中に、下肢の足趾(そくし)の、第1趾の末節骨および第2趾ないし第5趾の各中節骨を下向きに屈曲させ、インソール本体の前端部の切除端面にこれら節骨を掛止して足趾を把持できる。これにより歩行や運動中に足関節が固定されるので、膝関節や股関節の力を容易に発揮しやすくなり、下肢が発揮する力・パワーが向上する。 During sports, walking, and exercise, the shoe wearer bends the distal phalanx of the first heel and the second phalanx to the middle phalanx of the second heel to the bottom of the insole body. The phalanges can be hooked on the resected end face of the front end portion to grip the toes. As a result, the ankle joint is fixed during walking and exercising, so that the knee and hip joints can be easily exerted, and the power and power exerted by the lower limbs are improved.
本発明に係るインソールは、インソール本体の切除端面が、インソール本体の足趾部領域における第1趾の第1関節領域と第2趾ないし第5趾の第2関節領域をそれぞれ通る位置に設けられていることを特徴とする。 In the insole according to the present invention, the cut end surface of the insole body is provided at a position passing through the first joint region of the first heel and the second joint region of the second heel to the fifth heel in the toe region of the insole body. It is characterized by.
本発明に係るインソールは、インソール本体の切除端面が、滑り止め加工またはシューズ着用者の足趾の形にあわせて凹凸加工されていることを特徴とする。 The insole according to the present invention is characterized in that the cut end surface of the insole main body is processed to be non-slip or uneven according to the shape of a shoe wearer's toe.
本発明に係るインソールは、インソール本体の最下層に硬質素材が用いられると共にその上層に柔軟性樹脂素材が用いられ、最下層の土踏まず領域にアーチ状に盛り上がるアーチサポート部位が形成されていることを特徴とする。 In the insole according to the present invention, a hard material is used for the lowermost layer of the insole body and a flexible resin material is used for the upper layer, and an arch support part that rises in an arch shape is formed in the lower arch region. Features.
本発明に係るインソールは、シューズの中に装着されると共に所定の厚みを備えるインソールであって、インソール本体の前端部を、シューズ装着者の足趾における第1趾の末節骨から第2趾ないし第5趾の各中節骨にかけてそれぞれ下向きに屈曲可能なように切除してなることを特徴とする。 An insole according to the present invention is an insole that is worn in a shoe and has a predetermined thickness. The front end of the insole body is connected to the second heel or second phalanx from the distal phalanx of the first heel of the shoe wearer's footpad. It is characterized by being cut so as to be able to bend downward in the middle phalanx of the fifth heel.
以上説明したように、本発明に係るインソールを用いることにより、シューズ着用者は、スポーツや歩行、運動中に、下肢の足趾(そくし)の、第1趾の第1趾骨から第2趾ないし第5趾の各中節骨にかけてインソール本体の前端部の切除端面に掛止して足趾を把持できるので、足関節の固定により、膝関節や股関節の力の発揮が容易となり、簡易な手段で歩行、運動中に下肢が発揮する力・パワーを向上させることができる。 As described above, by using the insole according to the present invention, the shoe wearer can use the first rib of the first heel to the second heel to the second heel or foot during sports, walking, and exercising. Because it is possible to grip the toes by hooking on the resection end face of the front end of the insole body over each middle phalanx of the fifth heel, fixing the ankle joint makes it easy to exert the force of the knee joint and hip joint, and simple means Can improve the power and power exerted by the lower limbs during walking and exercise.
これにより、シューズ着用者は、運動能力や歩行能力の向上、健康増進を図ることができるという優れた効果を奏する。 Thereby, the wearer of shoes has the outstanding effect that an athletic ability and walking ability can be improved and health promotion can be aimed at.
次に本発明に係るインソールの最良の実施形態について図面を参照して説明する。図1は本発明に係るインソールの外観を示す図、図2は同インソールと足関節の配置関係を示す図、図3はシューズ内に装着されたインソールに対する足趾の把持姿勢を示す図である。これらの図において、符号10はシューズ、符号100はインソールを示している。 Next, the best embodiment of the insole according to the present invention will be described with reference to the drawings. FIG. 1 is a view showing the appearance of an insole according to the present invention, FIG. 2 is a view showing the positional relationship between the insole and an ankle joint, and FIG. 3 is a view showing a gripping posture of a toe with respect to an insole mounted in a shoe. . In these drawings, reference numeral 10 denotes shoes, and reference numeral 100 denotes an insole.
まずインソール100について説明すると、インソール100はシューズ10の中敷きとしてシューズ10の中に装着するもので、図1に示すように、前端から後端にかけて一定の厚さHと所定の長さLを備えるインソール本体101からなり、インソール本体101には、前部に足趾部領域S1、中央部に中足部領域S2、後部に踵部領域S3が形成されている。 First, the insole 100 will be described. The insole 100 is attached to the shoe 10 as an insole of the shoe 10, and has a certain thickness H and a predetermined length L from the front end to the rear end as shown in FIG. The insole body 101 is formed with a toe region S1 at the front, a middle foot region S2 at the center, and a buttocks region S3 at the rear.
インソール本体101は、図1に示すように足趾部領域S1の前端部A(点線で示す)が内甲側から外甲側にかけて切除されている。切除線の位置は、図2に示すように、インソール本体101に対する足関節部1の足趾部2(図3参照)において、第1趾(親指)aの第1関節a12と、第2趾b〜第5趾eの第2関節b23〜e23付近をそれぞれ通る位置に設定されている。 As shown in FIG. 1, the insole body 101 has a front end portion A (shown by a dotted line) of the toe region S1 cut away from the inner shell side to the outer shell side. As shown in FIG. 2, the position of the resection line corresponds to the first joint a 12 of the first heel (thumb) a and the second joint 2 in the toe portion 2 (see FIG. 3) of the ankle portion 1 with respect to the insole body 101. The positions pass through the vicinity of the second joints b 23 to e 23 of b to 5th 趾 e.
そして、インソール本体101の切断端面102が、足関節部1の足趾部2において、第1趾(親指)aの第1関節a12と、第2趾b〜第5趾eの第2関節b23〜e23をそれぞれ通る位置に設けられる結果、シューズ装着者は、図3に示すように、足関節部1の足趾部2において、第1趾(親指)aの末節骨a1と第2趾b〜第5趾eの中節骨b2〜e2をそれぞれ切除端面102に沿って下向きに屈曲させ、インソール本体101の切除端面102に足指先を掛止し、足趾部2をがっちりと把持させることができる。 Then, the cut end surface 102 of the insole body 101 includes the first joint a 12 of the first heel (thumb) a and the second joints of the second heel b to the fifth heel e in the toe portion 2 of the ankle joint portion 1. As a result of being provided at the positions passing through b 23 to e 23 , the shoe wearer, as shown in FIG. 3, in the toe portion 2 of the ankle joint portion 1 , The middle phalanges b 2 to e 2 of the second heel b to the fifth heel e are bent downward along the resection end face 102, respectively, and the toes are hooked on the resection end face 102 of the insole body 101. Can be firmly gripped.
シューズ装着者が足趾部2をインソール本体101に対し確実に把持できるように、切除端面102の角度はインソール本体101の上下面に対し45度〜135度、より好ましくは75度〜105度に設定することが望ましい。また同様の理由から、インソール本体101の厚さHは8mm以上、より好ましくは10mm〜12mmであることが望ましいが、材質の選択により薄肉化することができる。 The angle of the cut end face 102 is 45 to 135 degrees, more preferably 75 to 105 degrees with respect to the upper and lower surfaces of the insole body 101 so that the shoe wearer can securely grip the toe portion 2 with respect to the insole body 101. It is desirable to set. For the same reason, the thickness H of the insole body 101 is desirably 8 mm or more, more preferably 10 mm to 12 mm. However, the thickness can be reduced by selecting a material.
なお、インソール本体101に対する足関節部1を補足説明すると、図2および図3に示すように、インソール本体101の足趾部領域S1には足関節部1の足趾部2が、インソール本体101の中骨部領域S2には足関節部1の中骨部3が、インソール本体101の踵部領域S1には足関節部1の踵部4が配置される。足趾部2のうち、第1趾aは末節骨a1と基節骨a2を備え、第2趾b〜第5趾eは末節骨b1〜e1と中節骨b2〜e2と基節骨b3〜e3をそれぞれ備えている。なお、符号a4〜e4はそれぞれ中足骨である。 In addition, if supplementarily explaining the ankle joint portion 1 with respect to the insole body 101, as shown in FIGS. 2 and 3, the toe portion 2 of the ankle portion 1 is located in the toe region S 1 of the insole body 101. The middle bone 3 of the ankle joint 1 is disposed in the middle bone region S2, and the hip 4 of the ankle joint 1 is disposed in the hip region S1 of the insole body 101. Among the toes 2, the first heel a includes the distal phalanx a 1 and the proximal phalanx a 2 , and the second heel b to the fifth heel e include the distal phalanges b 1 to e 1 and the middle phalanx b 2 to e. 2 and proximal phalanges b 3 to e 3 . Reference numerals a 4 to e 4 are metatarsals, respectively.
インソール本体101の材質は、合成ゴムや合成樹脂等が用いられる。図4に示すインソール本体101の例は三層構造からなり、最下層101Aには足趾把持した際に引っかかりやすいように硬質素材(プラスチックやカーボン等)のものが採用され、その上層101Bには把持した際に痛みが伴わないようにやや柔らかい素材(EVA樹脂等)が採用され、表面層101Cにはウールなどの素材を採用して爽やかな履き心地になるように工夫がされている。各層の厚さは例えば最下層を6mm、その上層を1.5mm、表面層を0.5〜1mmとし、全体を薄くしている。最下層101Aは足趾部2によるインソール本体101の把持姿勢を維持するために足趾部2の土踏まず領域に、足趾部2によるインソール本体101の把持姿勢の下で前記土踏まず領域の形状に沿うようにアーチ状に盛り上がる硬質素材のアーチサポート部位を形成してよい。踵部領域にはクッション性のある素材を挿入配置してよい。 As the material of the insole body 101, synthetic rubber, synthetic resin, or the like is used. The example of the insole body 101 shown in FIG. 4 has a three-layer structure, and the lower layer 101A is made of a hard material (plastic, carbon, etc.) so as to be easily caught when the toes are gripped. A slightly soft material (EVA resin or the like) is employed so as not to cause pain when grasped, and a material such as wool is employed for the surface layer 101C so as to provide a refreshing comfort. As for the thickness of each layer, for example, the lowermost layer is 6 mm, the upper layer is 1.5 mm, the surface layer is 0.5 to 1 mm, and the whole is thinned. The lowermost layer 101 </ b> A follows the shape of the arch region of the toe portion 2 in order to maintain the holding posture of the insole body 101 by the toe portion 2, and the shape of the arch region under the holding posture of the insole body 101 by the toe portion 2. Thus, an arch support portion of a hard material that rises like an arch may be formed. A cushioning material may be inserted into the buttocks region.
インソール本体101の切除端面102は、さらに足指先の掛止確実性を上げるため、切除端面102に滑りにくい素材や硬い素材を配置し、また、滑りにくいように切除端面102を微細凹凸加工し、さらに、第1趾aの末節骨a1と第2趾b〜第5趾eの中節骨b2〜e2がそれぞれ切除端面102に深く掛止するように、各指の形状に合わせて切除端面102を凹凸加工してよい。 The incised end surface 102 of the insole body 101 is further provided with a non-slip material or a hard material on the excision end surface 102 in order to further increase the toe's hooking certainty. Furthermore, as the middle phalanx b 2 to e 2 of the distal phalanx a 1 of the first toe a second toe b~ fifth toe e is deeply hooked on resected end face 102 respectively, according to the shape of each finger The cut end face 102 may be processed to be uneven.
上記構造のインソール100によると、シューズ着用者は、シューズ10内のインソール本体101に対し、足趾部2の第1趾(親指)aの末節骨a1と第2趾b〜第5趾eの中節骨b2〜e2をそれぞれ切除端面102に沿って下向きに屈曲させ、インソール本体101を足趾部2でがっちりと把持できる。そして、足趾部2の把持によって足関節が固定され、膝関節や股関節の力の発揮が容易になる結果、下肢の大きな力・パワーの発揮を期待できる。 According to the insole 100 having the above-described structure, the shoe wearer makes the distal phalanx a 1 and the second heel b to the fifth heel e of the first heel (thumb) a of the toe portion 2 with respect to the insole body 101 in the shoe 10. The middle phalanges b 2 to e 2 can be bent downward along the cut end face 102, respectively, and the insole body 101 can be firmly held by the toe portion 2. Then, the ankle joint is fixed by gripping the toe part 2 and the knee joint and the hip joint are easily exerted. As a result, it is expected that the lower limbs exert a great force and power.
具体的に効果のある運動やその効果としては、上記インソール100を使用することで、自転車のペダリング運動で従来のインソールに比べ素早く回転させることができることや、垂直跳び等でのジャンプ高が高まること、歩行や走行時での歩幅が大きくなること等が期待できる。 Specifically, as an effective exercise and its effect, by using the insole 100, the bicycle can be rotated more quickly than a conventional insole in a pedaling exercise of a bicycle, and the jump height in a vertical jump or the like is increased. It can be expected that the stride during walking and running increases.
図5は従来のインソールSを装着したシューズ10に対する足関節部1の足趾部2の姿勢を示す。従来のインソールSは足趾部2による把持がなされているとは言えないが、図3に示す本発明のインソール100を装着したシューズ10では、足関節部1の足趾部2による把持が十分にできていることが分かる。これにより、本発明のインソール100では足関節部1の固定姿勢を容易に実現できる。 FIG. 5 shows the posture of the toe portion 2 of the ankle joint 1 with respect to the shoe 10 on which the conventional insole S is mounted. Although it cannot be said that the conventional insole S is gripped by the toes 2, the shoe 10 equipped with the insole 100 of the present invention shown in FIG. You can see that Thereby, in the insole 100 of this invention, the fixed attitude | position of the ankle joint part 1 is easily realizable.
本発明者は、自転車競技未経験者(一般人)と自転車競技経験者を被験者として、従来のインソールと本発明のインソールをシューズに装着し、全力の自転車ペダリング運動を行わせ、最大ペダリング中の最大仕事率(W)をそれぞれ測定した。 The present inventor uses a bicycle inexperienced person (general person) and a person who has experienced a bicycle race as a test subject, wears the conventional insole and the insole of the present invention on a shoe, performs full-power bicycle pedaling exercise, and performs maximum work during maximum pedaling. Each rate (W) was measured.
ここで、最大仕事率(W)は最大ペダリング中に競技者が発揮した動力(watt)のことであり、動力は以下の式に従い求められる。
動力(W)=0.105×トルク(N・m)×回転数(rpm)
Here, the maximum work rate (W) is the power (watt) exhibited by the competitor during the maximum pedaling, and the power is obtained according to the following equation.
Power (W) = 0.105 x Torque (N · m) x Number of revolutions (rpm)
図6に示すように、従来のインソールでは最大ペダリング中の最大仕事率が約1420Wであるのに対し、本発明のインソールでは約1460Wと向上したことが分かった。なお、図6のデータは自転車競技未経験者によるものであるが、自転車競技経験者でも同様のデータが得られた。 As shown in FIG. 6, the conventional insole has a maximum power of about 1420 W during maximum pedaling, whereas the insole of the present invention has been improved to about 1460 W. The data in FIG. 6 is from a person who has never experienced a bicycle race, but similar data was obtained even for those who have experienced a bicycle race.
図6のデータの差を足関節の固定の有無で説明すると、図8の従来のインソールによる最大ペダリング運動ではペダリング時に足を押し下げるときに足先が上向きに動いている(図8の右から3枚目)のに対し、図7の本発明のインソールによる最大ペダリング運動ではペダリング時に足を押し下げるときでも足が上向きにならずにほぼ水平を保ち、足関節が固定されている(図7の右から3枚目)ことが分かる。足関節固定の有無の違いが最大仕事率の差となって表われたと考えられる。 The difference in the data in FIG. 6 is explained by whether or not the ankle joint is fixed. In the maximum pedaling movement by the conventional insole in FIG. 8, the tip of the foot moves upward when the foot is pushed down during pedaling (from the right in FIG. 8). On the other hand, in the maximum pedaling movement by the insole of the present invention in FIG. 7, even when the foot is pushed down during pedaling, the foot is not leveled up and is kept almost horizontal, and the ankle joint is fixed (right of FIG. 7). From the third sheet) It is thought that the difference in the presence or absence of fixation of the ankle joint appeared as the difference in the maximum work rate.
以上説明してきたように、本発明のインソールを使用することで、スポーツや運動時、歩行や走行時に、足趾部の把持によって足関節を固定し、これにより膝関節や股関節の力の発揮を容易にできる結果、下肢の大きな力・パワーを発揮させることができ、運動能力や歩行能力の向上、健康増進を図ることができる。 As described above, by using the insole of the present invention, the ankle joint is fixed by grasping the toe portion during sports, exercise, walking or running, thereby exerting the power of the knee joint or the hip joint. As a result of being easy, it is possible to exert great power and power of the lower limbs, improve exercise ability and walking ability, and promote health.
本発明に係るインソールは、スポーツ、運動、歩行、走行、登山等の各種用途のシューズに装着して使用されるインソールとして幅広く利用可能である。 The insole according to the present invention can be widely used as an insole used by attaching to shoes for various uses such as sports, exercise, walking, running, and mountain climbing.
1 足関節部
2 足趾部
3 中骨部
4 踵部
10 シューズ
100 インソール
101 インソール本体
102 切除端面
S1 足趾部領域
S2 中足部領域
S3 踵部領域
A 前端部
a〜e 第1趾〜第5趾
a1〜e1 末節骨
b2〜e2 中節骨
a3〜e3 基節骨
a4〜e4 中足骨
DESCRIPTION OF SYMBOLS 1 Foot joint part 2 Toe part 3 Middle bone part 4 Hip part 10 Shoes 100 Insole 101 Insole main body 102 Resection end surface S1 Toe part area S2 Middle foot part area S3 Hip part area A Front end part ae e 1st to 1st to 1st 5 a a 1 to e 1 distal phalanx b 2 to e 2 middle phalanx a 3 to e 3 basic phalanx a 4 to e 4 metatarsals
Claims (5)
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JP2019010370A (en) * | 2017-06-30 | 2019-01-24 | 株式会社いきいき堂 | insole |
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